In clinical practice, there is no such thing as “a single Chinese medicine to open the lung meridian”. The commonly used Chinese medicines belonging to the lung meridian are almonds, qianhu, and so on. 1. Almonds: bitter, warm and poisonous in nature, belonging to the lung, spleen and large intestine meridians, it has the efficacy of expelling phlegm and relieving cough, calming asthma, moistening the intestines, and lowering the qi to open the paralysis, and it can be used in the treatment of external coughs, thoracic paralysis (stuffy pain in the chest), food stagnation and epigastric pain, laryngeal paralysis (pharyngeal redness and swelling and pain or dryness, a foreign-body sensation, or pharyngeal itching and discomfort, and swallowing difficulties), and intestinal parchedness and constipation, and other diseases. The drug should be used in the use of Yin deficiency cough patients should not be used. 2. Qianhu: The drug is bitter, cold, and attributed to the lung meridian, has the effect of lowering the qi and resolving phlegm, dispersing wind and clearing heat, can be used for phlegm and heat asthma, phlegm yellow and thick, wind-heat cough and phlegm and other conditions of the treatment. It should be noted that the drug should not be used by patients with yin deficiency and fire blazing. If you need to use the above drugs, it is recommended to go to a regular hospital, under the guidance of a professional physician to identify the treatment.